42005776

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:811

約数の個数: 40

約数和(自身を含む): 86612760

約数和(自身を除く): 44606984

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 389, 397, 778, 794, 1556, 1588, 3112, 3176, 6224, 6352, 6613, 6749, 13226, 13498, 26452, 26996, 52904, 53992, 105808, 107984, 154433, 308866, 617732, 1235464, 2470928, 2625361, 5250722, 10501444, 21002888, 42005776]

約数ペア:

[(1, 42005776), (2, 21002888), (4, 10501444), (8, 5250722), (16, 2625361), (17, 2470928), (34, 1235464), (68, 617732), (136, 308866), (272, 154433), (389, 107984), (397, 105808), (778, 53992), (794, 52904), (1556, 26996), (1588, 26452), (3112, 13498), (3176, 13226), (6224, 6749), (6352, 6613)]